JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EACA43 Subject Category: JSS Inter-University Research PDF Responsible Representative: Keiichi Kitamura, Associate professor, Yokohama National University Contact Information: Yoshikatsu Furusawa(furusawa-yoshikatsu-vz@ynu.jp) Members: Yoshikatsu Furusawa, Keiichi Kitamura, Keita Suzuki, Shunya Sakatsume Abstract As a new form of a Mars exploration vehicle, research and development of a propeller-driven Mars airplane are progressing. Because the low atmospheric density on Mars causes the flow around the Mars airplane at low Reynolds numbers, the flow field・・・<<read more>>
JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EACA39 Subject Category: JSS Inter-University Research PDF Responsible Representative: Masanobu Inubushi, Associate Professor, Tokyo University of Science Contact Information: Masanobu Inubushi(inubushi@rs.tus.ac.jp) Members: Masanobu Inubushi, Satoshi Matsumoto, Naoki Sakata, Tomoki Sugihara, Hiroto Tanaka Abstract Turbulence models play essential roles in aerospace science and technology, such as flows around aircraft and of planetary atmospheres. They are rapidly empowered by machine learning methods (Duraisamy, Iaccarino, and Xiao, 2019) and will be a crucial・・・<<read more>>
JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EACA26 Subject Category: JSS Inter-University Research PDF Responsible Representative: Kengo Asada, Assistant Professor, Department of Information and Computer Technology, Faculty of Engineering, Tokyo University of Science Contact Information: Kengo Asada(asada@rs.tus.ac.jp) Members: Kengo Asada, Takuto Ogawa Abstract The project develops flow control technic by using dielectric barrier discharge (DBD) plasma actuator to establish high efficient and robust vehicle systems such as rockets, aircrafts, and motor vehicles. We propose and demonstrate feedback・・・<<read more>>
JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EACA20 Subject Category: JSS Inter-University Research PDF Responsible Representative: Keiichi Kitamura, Associate Professor, Yokohama National University Contact Information: Motoki Magara, Yokohama National University(magara-motoki-tb@ynu.jp) Members: Yoshikatsu Furusawa, Keiichi Kitamura, Motoki Magara, Kazuki Nimura Abstract Supersonic parachutes, which are an effective means of deceleration for planetary exploration, and rockets, which are a means of space transportation, fly at supersonic speeds. The unsteady flow around the supersonic parachute and the protrusions on the・・・<<read more>>
JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EACA21 Subject Category: JSS Inter-University Research PDF Responsible Representative: Keiichi Kitamura, Associate Professor, Yokohama National University Contact Information: Shogo Motoki (Yokohama National University)(motoki-shogo-pt@ynu.jp) Members: Keiichi Kitamura, Tomohiro Mamashita, Shogo Motoki, Koya Mineshima Abstract Protuberances on the surface of a space transportation vehicle affect the aerodynamic characteristics, particularly the side force. In this study, steady-state calculations are performed under transonic conditions (Mach 0.7-1.3) on a slender body with protuberances to understand・・・<<read more>>